PROGRAMMING:Find the mantissa

Find the last n digits of the Y power of X.
###Input format:
Input three positive integers x, y and N in a row, where x and y are less than 1000 and N is less than 6.
###Output format:
Output n-digit result, if less than n bits, then fill several zeros before the result until n bits. There are no extra spaces and line breaks at the end of the line
###Input sample 1:
```in
13 13 3
```
###Output sample 1:
```out
two hundred and fifty-three
```
###Input sample 2:
```
2 3 4
```
###Output sample 2:
```
0008
```






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